/*
 * Copyright 2011 Katsunori Koyanagi
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package sweezy.swf.tools.flex
{
	import mx.collections.ICollectionView;
	import mx.controls.treeClasses.ITreeDataDescriptor;

	public class SWFNodeDataDescriptor implements ITreeDataDescriptor
	{

		public function SWFNodeDataDescriptor()
		{
		}

		public function addChildAt(parent:Object, newChild:Object, index:int, model:Object = null):Boolean
		{
			return false;
		}

		public function getChildren(node:Object, model:Object = null):ICollectionView
		{
			return node.children;
		}

		public function getData(node:Object, model:Object = null):Object
		{
			return node;
		}

		public function hasChildren(node:Object, model:Object = null):Boolean
		{
			return isBranch(node, model);
		}

		public function isBranch(node:Object, model:Object = null):Boolean
		{
			if (node === null)
			{
				return false;
			}

			return node.children.length > 0;
		}

		public function removeChildAt(parent:Object, child:Object, index:int, model:Object = null):Boolean
		{
			return false;
		}
	}
}
